Nag, N K <br/><br/>
Business Mathematics. 
by N K Nag & S C Chanda 
 - 3rd Ed. 
 - New Delhi:  Kalyani Publishers,  2008. 
 - 683p.:  20cm. 
<br/><br/>Ques. Paper (iv) p. 
<br/><br/><label>ISBN: </label>9788127246662 
<br/><br/><label>Subjects--Index Terms: </label>Commerce, communications & transportation. Commerce 
<br/><br/><label>Dewey Class. No.: </label>380